body		{ margin: 0; padding: 0; width: 100%; font-family: "宋体"; font-size: 12px; background: url(../i/bg/main.jpg) 50% 140px no-repeat;}
.top .nav .r a	{ color: #555;}
.top .nav .r a.n1	{ background: url(../i/nav/01_01.gif);}
.top .nav .r a.n2	{ background: url(../i/nav/01_02.gif);}
.top .nav .r a.n3	{ background: url(../i/nav/01_03.gif);}
.top .nav .r a.n4	{ background: url(../i/nav/01_04.gif);}
.top .nav .r a.n5	{ background: url(../i/nav/01_05.gif);}
.top .nav .r a.n6	{ background: url(../i/nav/01_06.gif);}
.top .nav .r a.n7	{ background: url(../i/nav/01_07.gif);}
.top .nav .r a.n8	{ background: url(../i/nav/01_08.gif);}

.top .nav .r a.n1:hover	{ background: url(../i/nav/01_01.gif) left -84px;}
.top .nav .r a.n2:hover	{ background: url(../i/nav/01_02.gif) left -84px;}
.top .nav .r a.n3:hover	{ background: url(../i/nav/01_03.gif) left -84px;}
.top .nav .r a.n4:hover	{ background: url(../i/nav/01_04.gif) left -84px;}
.top .nav .r a.n5:hover	{ background: url(../i/nav/01_05.gif) left -84px;}
.top .nav .r a.n6:hover	{ background: url(../i/nav/01_06.gif) left -84px;}
.top .nav .r a.n7:hover	{ background: url(../i/nav/01_07.gif) left -84px;}
.top .nav .r a.n8:hover	{ background: url(../i/nav/01_08.gif) left -84px;}